Earth's magnetic field is a strong force due to it's magnetic core. Which one of the following is NOT a way in which the magnetic field is used? A) Used with a rock, Lodestone, as a compass. B) Guiding Loggerhead Sea Turtles back to the sea. C) Pushing magma up through the interior of earth. D) Combining with particles from the sun's corona to create light shows at the poles.

What pressure difference is required between the ends of a 2.0-m-long, 1.0-mm-diameter horizontal tube for 40 c water to flow through it at an average speed of 4.0 m/s?

Two conductors, a and b, are each in the shape of a tetrahedron. but of different sizes. they are charged in the following manner: 1. tetrahedron a is charged from an electrostatic generator to charge q. 2. tetrahedron a is briefly touched to tetrahedron b. 3. steps 1 and 2 are repeated until the charge on tetrahedron b reaches a maximum value. if the charge on tetrahedron b was q/4 after the first time it touched tetrahedron a. what is the final charge qbmax on tetrahedron b?

Complete the sentence to describe the law of conservation of energy. the law of conservation of energy states that energy cannot be created